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Recapitalization and Initial Public Offering IPO (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
May 27, 2015 | Jul. 15, 2014 | Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Class of Stock [Line Items] |  |  |  |  |
Repayments of long-term debt |  |  | $ 72,000 | $ 6,500 | $ 21,500
Class A Common Stock [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Issuance of common stock (shares) | 3,996,255 |  |  |  |
Share price (in dollars per share) | $ 19.05 |  |  |  |
Over-Allotment Option [Member] | Class A Common Stock [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Issuance of common stock (shares) | 521,250 |  |  |  |
Over-Allotment Option [Member] | Stock Sold by Company [Member] | Class A Common Stock [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Issuance of common stock (shares) |  | 538,252 |  |  |
Over-Allotment Option [Member] | Stock Sold by Selling Stockholders [Member] | Class A Common Stock [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Issuance of common stock (shares) |  | 181,748 |  |  |

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